Changes between Version 5 and Version 6 of UsersWikiExamplesNetworkTopology
- Timestamp:
- Jun 14, 2009, 8:46:39 PM (15 years ago)
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UsersWikiExamplesNetworkTopology
v5 v6 41 41 ); 42 42 }}} 43 44 '''Note:''' This step made use of the aggregate function [http://www.postgresql.org/docs/8.3/static/xaggr.html ''array_accum''], which for some reason is not defined by default in postgresql, but can be added to any database easy enough. 43 45 44 46 2. The next step is to assign a unique id for each node and to add two new attributes to the roads table to hold the node references.
